John w



(No Model.)

J. W. .TO0PS.

KEY.

No; 485,725. Patented' Nov.' 8.1892.

@M1/Leona ma ohms vtrtns Oo., morauwo., wAsmNuToN n c UNITED STATESPATENT OFFICE.

JOHN IV. TOOPS, OF KIOUSVILLE, OHIO.

KEY.

SPECIFICATION forming part of Letters Patent No; 485,725, dated November8, 1.892.

Application led May 10, 1892. Serial No. 432,418. (No model.)

To @ZZ whom it may concern.:

Be it known .that I, JOHN W. TOOPS, acitizen of the United States,residing at Kiousville, in the county of Madison and State of Ohio, haveinvented certain new and useful Improvements in Keys; and I do declarethe following to be a full, clear, and exact description of theinvention, such yas will enable others skilled in the art to which itappertains to make and use the same, reference being had to theaccompanying drawings, and to the letters of reference markedthereon,which form a part of this specification.

Figure l is a perspective View of a key elnbodying my invention. Fig. 2is a side elevation, partially in section, of the same, Fig. 3 is asimilar view with the key in adierent operative position. Fig. 4. is anend view of the key.

My invention relates to keys for locks, the object being to provide ahinged swinging tumbler-operating tang, which may be variously shaped tooperate the tumblers of any style of lock to which it can be adapted.

For these purposes my invention consists of the following constructionand combination of parts, which will first be fully set forth anddescribed, and the features of novelty then indicated in the claim.

In the drawings, Arepresents the handle or stem of any key to which myimprovements may be applied. The end of the stem A, I provide with twoprojecting pieces B B, parallel with each other and extending in linewith the stein, so as to form a channel or slot between them in which Ipivot or hinge a tang C by a pivot D. This pivot D passes through theinner end of the tang O, and extends oppositely into each of theparallel pieces B B.

E is a ring adapted to slide longitudinally upon the stem A. This ringhas an interiorly-projecting lug, to which is pivotally connected a linkF, which extends outwardly and has its other end pivoted to the tang C,as shown, for the purpose hereinafter set forth.

G is a cavity made in the stem to permit the action of the link F. Thiskey is designed to be used in connection with the round or angularkeyhole of a lock of substantially the same configuration as the barrelor stem of the key, no provision being made in the lockcasing for theentrance of the tang C.

The operation of my improved key is as follows: The key as shown inFigs. l and 2 is ready for insertion in the keyhole of thelock. When thekey has been inserted a certain distance, the lock-casing strikes theouter edge of the ring E and forces the same along the stem A. Thismovement causes the link F to move with ring E, and, being connected tothe tang C, it swings the latter out from between the parallel pieces BB into a position at right angles to the key. The key is now ready to beturned, so that the tang C may operate the tu mblers of the lock in theusual way. It should be understood that the tang C may be variouslyfashioned, so that itwill operate variously-designed tumblersof anystyle of lock. Upon withdrawing the keythe tang C strikes the inner endof the lock-casing, as shown in Figs. l and 2, allowing it to bewithdrawn from the lock.

I claim* In a key for locks, a shank having an arm or bit pivoted in theouter end thereof, so as to swing in line with or at right angles to theshank and provided with aslidable ring upon said shank, said ring andsaid arm or bit being connected by a pivoted link, whereby the slidingmovement of the ring upon the shank actuates the arm or bit.

In testimony whereof I affix my signature in presence of two witnesses.

JOHN IV. TOOPS.

IVitnesses:

MARY B. STRAIN, WILLIAM A. STRAIN.

